HawaiianC350

Hello folks. I have another key fob question. I've searched for days for a solution but can't seem to find a solid answer.

Here is the deal. My primary key fob will not LOCK/UNLOCK/START my car. The PANIC does work, though. Batteries are new. Spare key fob works fine (Thank goodness). Key fob will emit a red light when buttons are pressed. I do not have keyless go. I need to put the key in. I will say that i installed a smartkeystarter with drone a day or two prior. But as i mentioned, the spare key works just fine.

2009 C350 with 47k miles.

I also tried searching for "resync". Either i'm following the wrong instructions of many, maybe I'm looking at the wrong instruction but doing it wrong, or maybe it's not a resync issue.

Anyone have any idea what is wrong? I'm hoping it's something simple, before i go and dish out $300+ on a new key fob.

Any help is appreciated.

Thanks

Plutoe

Hey Biff, believe it or not but you have a bad key--find the dude that said you could resync an MB key and buy him a condom!

HawaiianC350

haha! I was just surfing a bunch of sites and "resync" kept coming up.

I called numerous dealers today to price out a new key fob. Because one remote work while the other didn't, they all believe its a bad remote as well.

I'm ordring one tomorrow. $250

Thanks for the response,

MacVidMB-V8

Might be possible to fix bad one.

Can you post pics?

Exterior and PCB

jwickert

I have the exact problem. I got to work, turned the car off and couldn't do anything with the key fob (lock, unlock, trunk, or start the car). My mechanic tested the fob and it was emitting an RF signal. The other key fob works just fine. My understanding is that these fobs are solid state and really shouldn't go bad. Did you end up getting a new fob?

Jonathan